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4 votes
What are the three types of scientific investigations?

A. Investigative, comparative, and experimental
B. Descriptive, collective, and investigative
C. Collective, comparative, and experimental
D. Descriptive, comparative, and experimental

2 Answers

1 vote
D.... I think it might be D lol 
User AndyDunn
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6.9k points
4 votes
D should be the right answer hope this helps
User Nitesh
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